Sarah Porter was running 108-mile Montane Winter Spine Challenger South race when security team had to disable tracking device

A woman was pulled out of Britain’s most gruelling ultramarathon after receiving death threats over her fundraising for Afghan women and girls.

Sarah Porter was nearly a third of the way through the 108-mile Montane Winter Spine Challenger South endurance race when organisers made the “difficult decision” to withdraw her due to threats to her life in relation to the foundation she runs helping women and girls in war zones.